The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6105-00-520-5119
NSN 5935-01-495-7831
NSN 5895-00-203-2379
NSN 2925-01-014-8007
NSN 5905-01-398-1146
NSN 5930-01-640-7148
NSN 6130-01-579-7252
NSN 7035-01-623-4987
NSN 5945-01-088-0711
NSN 5975-00-199-8023
NSN 5835-00-814-1359
NSN 5999-00-133-8954